Ok, since people don't read about old releases, I just wanted to point out that in the japanese version, after completing the game, when it tries to save, it hangs. Luckily the save file will just be at the last point before you completed it, not corrupted.
I'm using an R4 by the way. I'll stry out this version to see if the same happens, but beware and could you post back if/when you complete it to let the rest of us know if there are any issues.
I too would like to know if the music is the same (I'm away from my computer so I can't check now).